The short answer is “No”. (But read more…)
If you app is built for Freshsales Suite it may not appear for Freshsales users automatically.
However there is a way how you can build a single app that will run in both Freshsales Suite and Freshsales.
Omni apps.
Tip: As you follow the Freshsales documentation you will find notes at relavant places advising actions that will constitute Omni app.